Analog Switch, Dual Spdt Micropak-10; Ic Function:Analog Switch; Power Supply Type:Single Supply; Supply Voltage Range:1.65V To 5.5V; Ic Case/Package:Micropak; No. Of Pins:10Pins; No. Of Channels:2Channels; Interfaces:-; Msl:- Rohs Compliant: Yes |Onsemi FSA2257L10X

FSA2257L10X – SPDT Analog Switch IC – onsemi High-Bandwidth Solution

Optimize signal routing in space-constrained designs with the onsemi FSA2257L10X analog switch IC. This high-performance 2:1 multiplexer/demultiplexer delivers exceptional signal integrity with ultra-low distortion, making it ideal for precision audio/video systems, portable electronics, and communication interfaces. PCX ensures authentic onsemi components with same-day shipping and dedicated technical support.

Key Features

• Configuration: 2x SPDT (Single Pole Double Throw) switches
• Bandwidth: 200MHz (-3dB) for high-fidelity signal transmission
• Low On-Resistance: 1.15Ω max (60mΩ channel matching)
• Wide Voltage Range: 1.65V to 5.5V single-supply operation
• Fast Switching: 35ns Ton / 15ns Toff (max)
• Minimal Leakage: 2nA max (IS(off))

Technical Specifications

This surface-mount IC features a compact 10-MicroPak™ (UFQFN) package with exposed pad for thermal management. Operating across industrial temperatures (-40°C to 85°C), it offers robust 200MHz bandwidth with low crosstalk (-75dB @ 1MHz) and charge injection (10pC). Channel capacitance is rated at 12pF (CS(off)/CD(off)), ensuring minimal signal degradation in data acquisition and routing applications.

Typical Applications

• Portable medical devices and wearables
• Battery-powered IoT sensor interfaces
• Audio/Video signal routing systems
• Test & measurement equipment multiplexing
• Communication port switching (USB, UART)

About onsemi

onsemi (formerly ON Semiconductor) is a global leader in power management and analog semiconductor solutions, renowned for innovation in energy-efficient technologies. With over 25 years of industry expertise, they drive advancements in automotive, industrial automation, and cloud infrastructure markets through rigorous quality control and sustainable manufacturing practices.

The company’s analog switches portfolio sets industry benchmarks for signal integrity and power efficiency. onsemi maintains ISO-certified production facilities, ensuring component reliability under extreme operating conditions and full traceability for mission-critical applications.

About Analog Switch ICs

Analog switches act as electronic relays, routing analog/digital signals without distortion using MOSFET transistors. Unlike mechanical switches, they offer silent operation, near-instantaneous switching, and unlimited lifespan – crucial for modern miniaturized electronics where space and reliability are paramount.

These ICs enable dynamic signal path configuration in mixed-signal systems, reducing component count in multiplexing, level shifting, and power sequencing circuits. Their low on-resistance and leakage characteristics preserve signal accuracy in sensitive measurement and audio applications across consumer, industrial, and automotive domains.

Packaging Options

Available in Tape & Reel (TR), Cut Tape (CT), and Digi-Reel® formats for automated assembly. Contact PCX for reel quantities and custom packaging requests.

Frequently Asked Questions

Q: Is this IC suitable for 3.3V systems?
A: Yes, it operates across 1.65V–5.5V, making it compatible with 3.3V logic.

Q: Can I use this for audio signal switching?
A: Absolutely – its 200MHz bandwidth and -75dB crosstalk ensure high-fidelity audio performance.

Q: What’s the difference between SPDT and SPST switches?
A: SPDT (Single Pole Double Throw) routes one input to two outputs (or vice versa), while SPST is a simple on/off switch.

Q: Does PCX provide datasheets?
A: Yes – download the FSA2257L10X datasheet from our product page.

Q: How does low charge injection (10pC) benefit my design?
A: Minimizes voltage glitches during switching, critical for precision ADC/sampling circuits.

Q: Is this RoHS compliant?
A: Yes, all onsemi components meet current RoHS standards.

Image shown for representational purposes only. Actual product may vary.

Upgrade Your Signal Path Today!

Streamline your BOM with this high-performance analog switch. Order FSA2257L10X from PCX now for guaranteed stock and 24-hour dispatch!